The Tactical Solutions X-RING Takedown Barrel and Stock combo is a lightweight and highly accurate .22 LR rifle barrel and Magpul X-22 Backpacker stock for the Ruger 10/22 Takedown 22LR and for the Tactical Solutions X-Ring TD VR semi-automatic .22 rifles. The innovative Magpul X-22 Backpacker stock is compact and provides the perfect lightweight platform for TacSols lightweight barrel. The X-Ring TD barrel comes standard with a fully adjustable rear sight, a fiber optic front sight, and a complete twist-on locking mechanism for easy installation. This barrel represents what TacSol is known for in the .22LR aftermarket barrel industry; lightweight, highly accurate, and easy-to-install barrels. The barrel dramatically increases accuracy, performance, and reliability. It is machined from 6061-T6 aluminum with a .920 diameter target contour profile. Suppressors are easily attached by simply twisting them on the barrels X 28 threaded end. Hand-chambered for 22 LR, with a target crown and chromoly bore, the X-RING Takedown Barrel and Magpul stock combo is everything you could ask for in a .22LR takedown upgrade.